James Hamblin is a doctor and holds a masters in Preventive Medicine from Yale University. He is a staff writer at The Atlantic, a lecturer at the Yale School of Public Health and a specialist in preventive medicine. He is the author of If Our Bodies Could Talk and hosted a video series of the same name. His Twitter account is @jameshamblin. He only uses soap on his hands.

Good-humoured and persuasive ... sets out to dispel the comfortable notion that our skin is a smooth protective barrier between us and the outside world... Clean made me chuckle and then left me thoughtful

James Hamblin is a doctor and holds a masters in Preventive Medicine from Yale University. He is a staff writer at The Atlantic, a lecturer at the Yale School of Public Health and a specialist in preventive medicine. He is the author of If Our Bodies Could Talk and hosted a video series of the same name. His Twitter account is @jameshamblin. He only uses soap on his hands.

Good-humoured and persuasive ... sets out to dispel the comfortable notion that our skin is a smooth protective barrier between us and the outside world... Clean made me chuckle and then left me thoughtful